20161330252

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{241}}^1\times {\mathrm{3109}}^1$

素因数の和:3423

約数の個数: 72

約数和(自身を含む): 41851692960

約数和(自身を除く): 21690362708

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 241, 434, 482, 868, 961, 964, 1687, 1922, 3109, 3374, 3844, 6218, 6727, 6748, 7471, 12436, 13454, 14942, 21763, 26908, 29884, 43526, 52297, 87052, 96379, 104594, 192758, 209188, 231601, 385516, 463202, 674653, 749269, 926404, 1349306, 1498538, 1621207, 2698612, 2987749, 2997076, 3242414, 5244883, 5975498, 6484828, 10489766, 11950996, 20914243, 20979532, 23227339, 41828486, 46454678, 83656972, 92909356, 162591373, 325182746, 650365492, 720047509, 1440095018, 2880190036, 5040332563, 10080665126, 20161330252]

約数ペア:

[(1, 20161330252), (2, 10080665126), (4, 5040332563), (7, 2880190036), (14, 1440095018), (28, 720047509), (31, 650365492), (62, 325182746), (124, 162591373), (217, 92909356), (241, 83656972), (434, 46454678), (482, 41828486), (868, 23227339), (961, 20979532), (964, 20914243), (1687, 11950996), (1922, 10489766), (3109, 6484828), (3374, 5975498), (3844, 5244883), (6218, 3242414), (6727, 2997076), (6748, 2987749), (7471, 2698612), (12436, 1621207), (13454, 1498538), (14942, 1349306), (21763, 926404), (26908, 749269), (29884, 674653), (43526, 463202), (52297, 385516), (87052, 231601), (96379, 209188), (104594, 192758)]